﻿#include <iostream>

using namespace std;

bool isRightAngle(int a, int b, int c);

int main()
{
    int a, b, c;
    cin >> a >> b >> c;
    cout << (isRightAngle(a, b, c) ? "True" : "False");
    return 0;
}

bool isRightAngle(int a, int b, int c)
{
    if ((a * a + b * b - c * c == 0) || (a * a - b * b + c * c == 0) || (a * a - b * b - c * c == 0))
        return true;
    return false;
}